<template>
  <div>
    <!--    头部区域-->
    <div style="height: 60px; line-height: 60px;background-color: white;margin-bottom: 2px;display: flex">
     <div style="width: 300px">
       <img src="@/assets/logo.png" alt="" style="width: 40px;height: 40px;position: relative;top: 10px;left: 20px" >
       <span style="margin-left: 30px;font-size: 24px">图书管理系统</span>
     </div>

      <div style="flex: 1;text-align: right;padding-right: 20px ">
        <el-dropdown size="medium">
             <span class="el-dropdown-link" style="cursor: pointer">
               {{admin.username}}<i class="el-icon-arrow-down el-icon--right"></i>
             </span>
            <el-dropdown-menu slot="dropdown" style="margin-top: -5px">
                 <el-dropdown-item><div style="width: 50px;text-align: center;" @click="logout">退出</div></el-dropdown-item>
             </el-dropdown-menu>
        </el-dropdown>
      </div>
    </div>
    <!--    侧边栏和主体-->
    <div style="display: flex">
      <!--      侧边栏导航-->
      <div style="width: 200px;min-height:calc(100vh - 62px);overflow: hidden;margin-right: 2px;background-color: white">
        <el-menu :default-active="$route.path"  router class="el-menu-demo" >
          <el-menu-item index="/">
            <i class="el-icon-discount"></i>
            <span>首页</span>
          </el-menu-item>
          <el-submenu index="user">
            <template slot="title">
              <i class="el-icon-more-outline"></i>
              <span>会员管理</span>
            </template>
            <el-menu-item index="/adduser">会员添加</el-menu-item>
            <el-menu-item index="/userList">会员列表</el-menu-item>
          </el-submenu>

          <el-submenu index="admin">
            <template slot="title">
              <i class="el-icon-user"></i>
              <span>管理员管理</span>
            </template>
            <el-menu-item index="/addAdmin">管理员添加</el-menu-item>
            <el-menu-item index="/adminList">管理员列表</el-menu-item>
          </el-submenu>


<!--          <el-submenu index="category">-->
<!--            <template slot="title">-->
<!--              <i class="el-icon-s-operation"></i>-->
<!--              <span>图书分类管理</span>-->
<!--            </template>-->
<!--            <el-menu-item index="/addCategory">图书分类添加</el-menu-item>-->
<!--            <el-menu-item index="/categoryList">图书分类列表</el-menu-item>-->
<!--          </el-submenu>-->


          <el-submenu index="book">
            <template slot="title">
              <i class="el-icon-notebook-1"></i>
              <span>图书管理</span>
            </template>
            <el-menu-item index="/addBook">图书添加</el-menu-item>
            <el-menu-item index="/bookList">图书列表</el-menu-item>
          </el-submenu>

          <el-submenu index="borrow">
            <template slot="title">
              <i class="el-icon-document-copy"></i>
              <span>借书管理</span>
            </template>
            <el-menu-item index="/addBorrow">借书添加</el-menu-item>
            <el-menu-item index="/borrowList">借书列表</el-menu-item>
          </el-submenu>



          <el-submenu index="retur">
          <template slot="title">
            <i class="el-icon-document"></i>
            <span>还书管理</span>
          </template>
          <el-menu-item index="/returList">还书列表</el-menu-item>
          </el-submenu>
        </el-menu>
      </div>
      <!--      主体数据-->
      <div style="flex: 1;width: 0;background-color: white;padding: 10px">
        <router-view/>
      </div>
    </div>
  </div>
</template>

<script>
import Cookies from 'js-cookie'

export default {
  name: "Layout",
  data(){
    return{
      admin:Cookies.get('admin')?JSON.parse(Cookies.get('admin')) : {}
    }
  },
  methods:{
    logout(){
      //请除浏览器用户数据
       Cookies.remove('admin')
        this.$router.push('/login')

    }
  }
}
</script>

<style scoped>

</style>